Home / 130,457.76-180,035.38-73,869.14

Finding the Fourth Proportional to 130,457.76, 180,035.38 and 73,869.14

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Solution

The fourth proportional to 130,457.76, 180,035.38 and 73,869.14 is: 101,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,457.76 : 180,035.38 = 73,869.14 : x
  2. Step 2: Convert to fraction form
    130,457.76/180,035.38 = 73,869.14/x
  3. Step 3: Cross multiply
    130,457.76x = 180,035.38 × 73,869.14
  4. Step 4: Simplify right side
    130,457.76x = 13,299,058,690.17
  5. Step 5: Solve for x
    x = 13,299,058,690.17/130,457.76
  6. Step 6: Final answer
    x = 101,941.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.